Lamp base with flange on neck



FIG. 1 is a front upper perspective view of our new lamp base withflange on neck;

FIG. 2 is a rear lower perspective view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

FIG. 5 is a top view of FIG. 1; and,

FIG. 6 is a bottom view of FIG. 1.

The broken lines shown are included for the purpose of illustratingunclaimed structure and form no part of the claimed design.

The ornamental design for a lamp base with flange on neck, as shown anddescribed.